Nest Labs adds doorbell that can recognize familiar faces

SAN FRANCISCO (AP) — Home device maker Nest Labs is adding Google’s facial recognition technology to a camera-equipped doorbell and rolling out a security system in an attempt to end its history of losses.
The products announced Wednesday expand upon the internet-connected thermostats, smoke detectors and stand-alone security cameras that Nest has been selling since its inception six years ago.
The Hello doorbell comes with a built-in video camera and speakers that will make it seem